en.wikipedia.org
en.wikipedia.org
sv.wikipedia.org
prabook.com
goodreads.com
britannica.com
thegreatestbooks.org
The Greatest Books
https://thegreatestbooks.org › authors › 6276
amazon.com
sf-encyclopedia.com
SF Encyclopedia
https://sf-encyclopedia.com › entry › jersild_p_c
librarything.com
fictiondb.com
Help us improve DuckDuckGo searches with your feedback